In "The Morns Are Meeker Than They Were," why does the speaker state that the maple tree "wears a gayer scarf" and that the field wears "a scarlet gown"? A. to help readers picture all the frenzied activity of the natural world B. to help readers picture her own plain appearance C. to help readers picture the world as it appears in the summer D. to help readers picture the beauty of nature's autumn colors